Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4210909 | Complete bleaching of non-selected display electrodes in an electrochromic display drive | Hiroshi Hamada, Hiroshi Take, Hisashi Uede | 1980-07-01 |
| 4210907 | Uniform coloration control in an electrochromic display of the segmented type | Hiroshi Hamada, Hiroshi Take, Hisashi Uede | 1980-07-01 |
| 4209770 | Driving technique for electrochromic displays of the segmented type driving uncommon segment electrodes only | Hiroshi Hamada, Hiroshi Take, Sadatoshi Takechi, Hisashi Uede | 1980-06-24 |
| 4205903 | Writing/erasing technique for an electrochromic display cell | Sadatoshi Takechi, Hiroshi Nakauchi, Hiroshi Hamada | 1980-06-03 |
| 4201984 | Current controlled drive system for electrochromic displays of the segmented type | Sadatoshi Takechi, Tadanori Hishida, Hisashi Uede, Hiroshi Take | 1980-05-06 |
| 4201985 | Constant current supply drive for electrochromic displays of the segmented type | Tadanori Hishida, Kozo Yano, Hiroshi Hamada, Hiroshi Nakauchi | 1980-05-06 |
| 4195917 | Four-layer display electrode in an electrochromic display | Hiroshi Kuwagaki, Tadanori Hishida, Kohzo Yano | 1980-04-01 |
| 4187004 | Negative type display in electrochromic display device | Kohzo Yano, Tadanori Hishida, Tomio Wada | 1980-02-05 |